Reply To: Volume Shadow Copy Service: Error calling routine on Shadow Copy Provider Posted on by Webmaster IT Support Forum › Forums › Backup and Restore › Troubleshooting › Volume Shadow Copy Service: Error calling routine on Shadow Copy Provider › Reply To: Volume Shadow Copy Service: Error calling routine on Shadow Copy Provider January 30, 2017 at 10:03 am #2045 WebmasterKeymaster If you don’t want to reboot the computer, you can use the “vssadmin list writers” command in the command prompt to get information about the failed VSS writer, so you can restart the associated service.